commit: prepare get_commit_buffer to handle any repo

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

3 files changed, 19 insertions, 4 deletions

diff --git a/commit.c b/commit.c
index 7a931d7fd4..4034def16c 100644
--- a/commit.c
+++ b/commit.c
@@ -297,13 +297,15 @@ const void *get_cached_commit_buffer(struct repository *r, const struct commit *
 	return v->buffer;
 }
 
-const void *get_commit_buffer(const struct commit *commit, unsigned long *sizep)
+const void *repo_get_commit_buffer(struct repository *r,
+				   const struct commit *commit,
+				   unsigned long *sizep)
 {
-	const void *ret = get_cached_commit_buffer(the_repository, commit, sizep);
+	const void *ret = get_cached_commit_buffer(r, commit, sizep);
 	if (!ret) {
 		enum object_type type;
 		unsigned long size;
-		ret = read_object_file(&commit->object.oid, &type, &size);
+		ret = repo_read_object_file(r, &commit->object.oid, &type, &size);
 		if (!ret)
 			die("cannot read commit object %s",
 			    oid_to_hex(&commit->object.oid));
diff --git a/commit.h b/commit.h
index 08935f9a19..591a77a5bb 100644
--- a/commit.h
+++ b/commit.h
@@ -117,7 +117,12 @@ const void *get_cached_commit_buffer(struct repository *, const struct commit *,
  * from disk. The resulting memory should not be modified, and must be given
  * to unuse_commit_buffer when the caller is done.
  */
-const void *get_commit_buffer(const struct commit *, unsigned long *size);
+const void *repo_get_commit_buffer(struct repository *r,
+				   const struct commit *,
+				   unsigned long *size);
+#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
+#define get_commit_buffer(c, s) repo_get_commit_buffer(the_repository, c, s)
+#endif
 
 /*
  * Tell the commit subsytem that we are done with a particular commit buffer.
diff --git a/contrib/coccinelle/the_repository.pending.cocci b/contrib/coccinelle/the_repository.pending.cocci
index 8c6a71bf64..4018e6eaf7 100644
--- a/contrib/coccinelle/the_repository.pending.cocci
+++ b/contrib/coccinelle/the_repository.pending.cocci
@@ -107,3 +107,11 @@ expression G;
 - in_merge_bases_many(
 + repo_in_merge_bases_many(the_repository,
   E, F, G);
+
+@@
+expression E;
+expression F;
+@@
+- get_commit_buffer(
++ repo_get_commit_buffer(the_repository,
+  E, F);